Bruce M Simpson 38f061057b When performing IP fast forwarding, immediately drop traffic which is
destined for a blackhole route.

This also means that blackhole routes do not need to be bound to lo(4)
or disc(4) interfaces for the net.inet.ip.fastforwarding=1 case.

Submitted by:	james at towardex dot com
Sponsored by:	eXtensible Open Router Project <URL:http://www.xorp.org/>
MFC after:	3 weeks
2004-11-04 02:14:38 +00:00
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